Johnson Controls A19 Series Hot Water Temperature Control (Well Immersion)
Hot Water Temperature Control (Well Immersion)
A19 Series
This is a universal replacement control for open high or SPDTapplications. The control is furnished with a well assembly for 1/2 inch tapping.
• liquid-filled element provides rapid response to temperature change
• adjustable differential
• universal replacement
Select a link under the "item" tab below to order.
| Cat # | Application: | Well Conn. Size–NPT | Switch Action | Max. Bulb Temp. °F (°C) | Range °F (°C) | Range Adjuster | Diff F°(C°) |
| A19ABC-11C | Open High (R-B) Open Low (R-Y) | 1/2 in. | SPDT | 250 (121) | 100 to 240 (38 to 116) | Convertible | 6 to 24 (3 to 13) |
| A19ABC-12C | Open High (R-B) Open Low (R-Y) | 1/2 in.; 8 ft. Cap. | SPDT | 290 (143) | 100 to 240 (38 to 116) | Convertible | 6 to 24 (3 to 13) |
| A19ADB-2C | High Temp. Lockout | 1/2 in. | SPST Open High with Lockout | 250 (121) | 100 to 240 (38 to 116) | Knob | Manual Reset (locks out high) |
| Motor Ratings VAC | 120 | 240 |
| AC Full Load A | 10.6 | 6.0 |
| AC Locked Rotor A | 60.0 |
36.0 |
| Pilot Duty–125 VA, 24 to 600 VAC | ||
